added jsonb column type support

Author: mirzap

src/Bosnadev/Database/Schema/Blueprint.php

@@ -34,4 +34,14 @@ public function hstore($column) {
     public function uuid($column) {
         return $this->addColumn('uuid', $column);
     }
+
+    /**
+     * Create a new jsonb column on the table
+     * 
+     * @param $column
+     * @return \Illuminate\Support\Fluent
+     */
+    public function jsonb($column) {
+        return $this->addColumn('jsonb', $column);
+    }
 } 

src/Bosnadev/Database/Schema/Grammars/PostgresGrammar.php

@@ -21,6 +21,8 @@ protected function typeCharacter(Fluent $column)
     }
 
     /**
+     * Create the column definition for a hstore type.
+     *
      * @param Fluent $column
      * @return string
      */
@@ -29,13 +31,25 @@ protected function typeHstore(Fluent $column) {
     }
 
     /**
+     * Create the column definition for a uuid type.
+     *
      * @param Fluent $column
      * @return string
      */
     protected function typeUuid(Fluent $column) {
         return "uuid";
     }
 
+    /**
+     * Create the column definition for a jsonb type.
+     *
+     * @param Fluent $column
+     * @return string
+     */
+    protected function typeJsonb(Fluent $column) {
+        return "jsonb";
+    }
+
     /**
      * @param mixed $value
      * @return mixed|string